/Engine/Source/Editor/MovieSceneTools/Public/MovieSceneDirectorBlueprintEndpointCustomization.h
Called when the header of the property (the row in the details panel where the property is shown) If nothing is added to the row, the header is not displayed
virtual void CustomizeHeader ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IPropertyHandle](API\Editor\PropertyEditor\IPropertyHandle) > PropertyHandle, [FDetailWidgetRow](API\Editor\PropertyEditor\FDetailWidgetRow) & HeaderRow, [IPropertyTypeCustomizationUtils](API\Editor\PropertyEditor\IPropertyTypeCustomizationUtils) & CustomizationUtils )